Hunt for Renewable Energy Leads Researchers to Some Unlikely Sources

Scouring the Earth for new sources of clean, renewable energy, scientists and engineers are exploring some unusual nooks and crannies. Kites, waves, tides, ocean currents, geysers, garbage, cow manure, old utility poles, algae and bacteria are being enlisted in the effort to lower the world’s reliance on climate-warming coal and oil. Here is an update on the latest and greatest advancements.

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